They’re far from the typical business card in the sense that each card changes upon contact with your fingertips, lips, or whatever is warm enough to leave a permanent imprint. To make the cards, Under Consideration coated Fedrigoni/Ispira purezza paper cards with thermosensitive ink.

The cards were commissioned by Natalie Daniels, and they weren’t cheap to print. While it might seem that paying $985 for a thousand cards is a bit too much, it looks like it’s paying off since she’s getting tons of exposure because of her extremely unique cards.